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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2016.01.010
|2 doi
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|a pubmed25n0857.xml
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|a (DE-627)NLM257279997
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|a (NLM)26856445
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|a (PII)S0956-053X(16)30010-1
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|e rakwb
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|a eng
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1 |
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|a Keulen, A
|e verfasserin
|4 aut
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|a High performance of treated and washed MSWI bottom ash granulates as natural aggregate replacement within earth-moist concrete
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.05.2017
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|a Date Revised 29.07.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2016 Elsevier Ltd. All rights reserved.
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|a Municipal solid waste incineration bottom ash was treated with specially designed dry and wet treatment processes, obtaining high quality bottom ash granulate fractions (BGF) suitable for up to 100% replacement of natural gravel in concrete. The wet treatment (using only water for separating and washing) significantly lowers the leaching of e.g. chloride and sulfate, heavy metals (antimony, molybdenum and copper) and dissolved organic carbon (DOC). Two potential bottom ash granulate fractions, both in compliance with the standard EN 12620 (aggregates for concrete), were added into earth-moist concrete mixtures. The fresh and hardened concrete physical performances (e.g. workability, strength and freeze-thaw) of high strength concrete mixtures were maintained or improved compared with the reference mixtures, even after replacing up to 100% of the initial natural gravel. Final element leaching of monolithic and crushed granular state BGF containing concretes, showed no differences with the gravel references. Leaching of all mixtures did not exceed the limit values set by the Dutch Soil Quality Degree. In addition, multiple-life-phase emission (pH static test) for the critical elements of input bottom ash, bottom ash granulate (BGF) and crushed BGF containing concrete were assessed. Simulation pH lowering or potential carbonation processes indicated that metal (antimony, barium, chrome and copper) and sulfate element leaching behavior are mainly pH dominated and controlled, although differ in mechanism and related mineral abundance
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Characterization
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|a Heavy metals
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|a Leaching
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|a MSWI bottom ash
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|a Strength properties
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|a Coal Ash
|2 NLM
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|a Metals, Heavy
|2 NLM
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|a Water
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|a 059QF0KO0R
|2 NLM
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|a van Zomeren, A
|e verfasserin
|4 aut
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|a Harpe, P
|e verfasserin
|4 aut
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|a Aarnink, W
|e verfasserin
|4 aut
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|a Simons, H A E
|e verfasserin
|4 aut
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|a Brouwers, H J H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 49(2016) vom: 09. März, Seite 83-95
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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|g volume:49
|g year:2016
|g day:09
|g month:03
|g pages:83-95
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|u http://dx.doi.org/10.1016/j.wasman.2016.01.010
|3 Volltext
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